1972 OLDSMOBILE CUTLASS Differential & Rear-End Components

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Ring and Pinion Gears and Installation Kit, 8.5" OLDSMOBILE GM 3.90 REAR R&P GEAR/ INSTALL KIT PACKAGE

Part Number: YGA-12594

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Differential, Grip Pro Traction System, 28-Spline, GM 8.5 in., Each

Part Number: PWT-GT201028

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Estimated Ship Date: Nov 24, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $773.99

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Differential, Grip LS Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-LS201028

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Estimated Ship Date: Today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $747.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 4 Series Carrier, Each

Part Number: PWT-LS241230

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Estimated Ship Date: Today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $916.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Ring and Pinion Gears and Installation Kit, 8.5" OLDSMOBILE GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE

Part Number: YGA-12595

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Differential, Grip LS Traction System, 30-Spline, GM, 8.875 in., 3 Series Carrier, Each

Part Number: PWT-LS231230

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Estimated Ship Date: Nov 24, 2025 if ordered today

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $799.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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